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Thurston County, Washington

Community Planning and Economic Development


Access Permit Guide
Accessory Buildings
Additional Property Owners
Administrative Variance
Administrative Variance Guide
ADU Frequently Asked Questions
ADU Handout
Adult Family Homes
Agriculture Buildings
Anchoring Verification Form
Assessor's Home Data Sheet


Boundary Line Adjustment / Lot Consolidation Form
Building Permit Extension Request

Code Compliance Verification Certification
Compliance Certification No Permit
Construction Permit - SA 014
Construction Permit Guide
COWA Connection to a Public Water System
COWA Connection to one (1) or (2) Single Family Residential Connections to one Water Source 
Critical Area Farm Conservation Plan 
Critical Area Farm Conservation Plan Information Handout
Critical Area Review
Critical Area Determination 

    Decommissioning an Underground Oil Tank
    Design Review
    Design Review within Lacey UGA
    Design Review within Olympia UGA
    Design Review within Tumwater UGA

    Emergency Verification Form
    Encroachment Permit - SA 013
    Encroachment Permit Guide
    Engineer Supplemental Mobile Certification List
    Exempt Accessory Structures
    Exempt Accessory Structure

    Family Member Unit Affidavit
    Fire Code Permit
    Fire Code Permit Application
    Fire Code Permit Guide
    Fire Flow Permit Guide
    Fire Flow Worksheet (Excel spreadsheet)
    Fire Permit Application
    Fire Related Projects Application
    Fire ADU Verification Form
    Firework  Displays Guide
    Firework Stands Guide
    FIRM Panel
    Flood Damage and Permitting
    Flood Insurance Rate Map Example
    Flood Insurance Rate Map Legend
    Flood Plan

    Garage Conversion Guide
    Guide to Using the Master Application Form

    Hazard And Vulnerability Plan
    Hazards Verification Form

    Impervious Surface Worksheet
    Inspection No Permit

    JARPA Cover Sheet
    JARPA Guide

    Legal Lot Determination Form
    Legal Lot Determination Instructions
    Limited-Supply Sprinkler System Guide
    Living in an RV While House is Under Construction
    Locating or Recreating a Water Well Report Fact Sheet

    Manufactured Home Homeowner Checklist
    Manufactured Home Placement Guide
    Manufactured Home Placement Permit - SA 005
    Master Application MA 001
    Membrane/Tent Permit
    Minor Construction Permit Guide
    Minor Permit Application
    Minor Permit Guide

    Non-Residential Guide
    Non-Residential Permit SA 002

    Oil Tank Decommissioning Information Guide
    Other Administrative Actions

    Permit Phone System Guide
    Private Well Water Sample Instructions

    Reasonable Use Exception Guide
    Reasonable Use Exception Permit SA 015c
    Refund Request Form
    Release of Moratorium - SA 035
    Request to Vacate Right-of-Way Guide
    Request to Vacate Right-of-Way
    Residential Building Permit
    Residential Energy Code 2018 Guide
    Reviewing Elevation Certificates
    Right of Way Access Permit - SA 015b
    Right of Way Scoping Review - SA 015a

    Scoping Review Request Guide
    SEPA Checklist (PDF) SEPA Checklist (Word)
    SEPA Checklist Guide
    SEPA Cover Sheet
    Septic Verification Form
    Shoreline Administrative Variance SA 037
    Shoreline Administrative Variance Guide
    Single Family Home/Duplexes Guide
    Site Plan Review Guide
    Site Plan Review SA 038
    Special Use Permit SA 039
    Special Use Permit Guide & Instructions
    State Mandated Well Form
    Supplemental Certification No Permit

    Thurston County Reference Monument Locations
    Tiny Home Information Guide
    Title Elimination Inspection Request

    Variance Request for Drainage and Erosion Control
    Variance Request form for Hearing Examiner

    Waiver of Moratorium SA 035a
    Water Affidavit 11-22-23
    Water Affidavit 13-14
    Well Form Guide
    Withdrawal Request Form